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Information Circular 7125: Mineral Industries Survey of the United States - Lake County, Colorado - Possibilities of Manganese Production at Leadville, Colorado

by: United States Department of the Interior Bureau of Mines

Publication date: 1940-07
Collection: interiorbureauofmines; usgovernmentmirrors; government-documents
Language: en
Item Size: 48.5M

Addeddate: 2024-09-19 13:47:28
Author: J. H. Hedges
Collection_added: usgovernmentmirrors
additional_collections
government-documents
Identifier: pub_usgov-bmines-information-circular_7125
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 0.9822
Ocr_module_version: 0.0.21
Ocr_parameters: -l eng
Page_number_confidence: 0
Page_number_module_version: 1.0.5
Ppi: 567
Source: babel.hathitrust.org/cgi/pt?id=osu.32435030643969